1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.bean;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  /**
29   * <a href="PortalBeanLocatorUtil.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class PortalBeanLocatorUtil {
34  
35      public static BeanLocator getBeanLocator() {
36          return _beanLocator;
37      }
38  
39      public static Object locate(String name) throws BeanLocatorException {
40          if (_beanLocator == null) {
41              _log.error("BeanLocator is null");
42  
43              throw new BeanLocatorException("BeanLocator has not been set");
44          }
45          else {
46              Thread currentThread = Thread.currentThread();
47  
48              ClassLoader contextClassLoader =
49                  currentThread.getContextClassLoader();
50  
51              ClassLoader beanClassLoader = _beanLocator.getClassLoader();
52  
53              try {
54                  if (contextClassLoader != beanClassLoader) {
55                      currentThread.setContextClassLoader(beanClassLoader);
56                  }
57  
58                  return _beanLocator.locate(name);
59              }
60              finally {
61                  if (contextClassLoader != beanClassLoader) {
62                      currentThread.setContextClassLoader(contextClassLoader);
63                  }
64              }
65          }
66      }
67  
68      public static void setBeanLocator(BeanLocator beanLocator) {
69          if (_log.isDebugEnabled()) {
70              _log.debug("Setting BeanLocator " + beanLocator.hashCode());
71          }
72  
73          _beanLocator = beanLocator;
74      }
75  
76      private static Log _log =
77          LogFactoryUtil.getLog(PortalBeanLocatorUtil.class);
78  
79      private static BeanLocator _beanLocator;
80  
81  }